Electronics Worksheet: What Is IoT

Electronics lesson 27: What is IoT? · Set 439 · 40 questions

Remember (Sense, send, store, show): IoT device = an everyday thing that shares data over the internet (usually Wi-Fi and an app). Data flow: sensor → board → Wi-Fi → cloud → app (and commands back to an actuator). Readings sent = total time ÷ time between readings, in the same units.

1. 1.🌐 Is a plain wall switch an IoT device? (a) not an IoT device (b) an IoT device
2. 2.🌐 Each reading a sensor sends is 20 bytes. How many bytes do 70 readings take?
3. 3.🌐 In an IoT system, which part stores data online? (a) cloud server (b) actuator (c) sensor (d) microcontroller
4. 4.🌐 A weather station sends one reading every 30 seconds. How many readings does it send in 8 minutes?
5. 5.🌐 In an IoT system, which part acts on a command? (a) phone app (b) actuator (c) cloud server (d) sensor
6. 6.🏠 Which is a smart-home example? (a) a printed map (b) lights on from an app (c) a hand fan (d) a candle in a jar
7. 7.Which of these is an IoT device? (a) a plain table fan (b) a plain wall switch (c) a smart energy meter (d) a battery torch
8. 8.What does the microcontroller do? (a) reads values, decides (b) measures the real world (c) carries the data (d) acts on a command
9. 9.🔢 To get a sensor reading onto a phone, which is the LAST step? (a) the app shows it (b) the cloud stores it (c) the board reads it (d) the sensor measures
10. 10.🔍 Which is the odd one out? (a) an app-controlled bulb (b) a plain wall switch (c) a Wi-Fi smart plug (d) a smart energy meter
11. 11.Which of these is an IoT device? (a) a battery torch (b) a Wi-Fi doorbell camera (c) a wind-up clock (d) a plain table fan
12. 12.🌐 A soil sensor sends a reading to an app every 10 minutes. How many readings arrive in 6 hours?
13. 13.What does the sensor do? (a) carries the data (b) stores data online (c) acts on a command (d) measures the real world
14. 14.🔍 Which is the odd one out? (a) a paper calendar (b) a plain wall switch (c) a wind-up clock (d) a fitness band with app
15. 15.🌐 What does IoT stand for? (a) Internet of Things (b) Input of Tools (c) Inside of Toys (d) Internet of Talk
16. 16.What does the cloud server do? (a) stores data online (b) shows data to you (c) measures the real world (d) carries the data
17. 17.🌐 Is a Wi-Fi weather station an IoT device? (a) not an IoT device (b) an IoT device
18. 18.🌐 Is a Wi-Fi doorbell camera an IoT device? (a) an IoT device (b) not an IoT device
19. 19.🌐 In an IoT system, which part shows data to you? (a) sensor (b) actuator (c) phone app (d) cloud server
20. 20.🔢 To get a sensor reading onto a phone, which comes first: “the app shows it” or “the cloud stores it”? (a) the app shows it (b) the cloud stores it
21. 21.🌐 A weather station sends one reading every 60 seconds. How many readings does it send in 9 minutes?
22. 22.🔢 To get a sensor reading onto a phone, which comes first: “the sensor measures” or “the cloud stores it”? (a) the sensor measures (b) the cloud stores it
23. 23.🔍 Which is the odd one out? (a) a battery torch (b) a Wi-Fi doorbell camera (c) a Wi-Fi smart plug (d) a smart energy meter
24. 24.🌐 Is a smart energy meter an IoT device? (a) not an IoT device (b) an IoT device
25. 25.🔍 Which is the odd one out? (a) a pencil sharpener (b) a Wi-Fi weather station (c) a fitness band with app (d) a Wi-Fi doorbell camera
26. 26.🔍 Which is the odd one out? (a) a battery torch (b) a plain wall switch (c) a paper calendar (d) a Wi-Fi weather station
27. 27.🌐 Is an app-controlled bulb an IoT device? (a) not an IoT device (b) an IoT device
28. 28.🌐 In an IoT system, which part carries the data? (a) sensor (b) actuator (c) microcontroller (d) Wi-Fi
29. 29.🔍 Which is the odd one out? (a) a plain table fan (b) a pencil sharpener (c) a smart energy meter (d) a battery torch
30. 30.🔢 To get a sensor reading onto a phone, what comes right after “the sensor measures”? (a) the app shows it (b) it is sent by Wi-Fi (c) the board reads it (d) the cloud stores it
31. 31.🌐 Is a paper calendar an IoT device? (a) an IoT device (b) not an IoT device
32. 32.🌐 Each reading a sensor sends is 20 bytes. How many bytes do 80 readings take?
33. 33.🌐 A soil sensor sends a reading to an app every 15 minutes. How many readings arrive in 6 hours?
34. 34.🔍 Which is the odd one out? (a) an app-controlled bulb (b) a Wi-Fi doorbell camera (c) a wind-up clock (d) a Wi-Fi smart plug
35. 35.What does the actuator do? (a) measures the real world (b) acts on a command (c) carries the data (d) stores data online
36. 36.🔢 To get a sensor reading onto a phone, what comes right after “the board reads it”? (a) the sensor measures (b) it is sent by Wi-Fi (c) the cloud stores it (d) the app shows it
37. 37.🌐 A soil sensor sends a reading to an app every 15 minutes. How many readings arrive in 2 hours?
38. 38.🌐 Is a battery torch an IoT device? (a) not an IoT device (b) an IoT device
39. 39.🔢 To get a sensor reading onto a phone, which comes first: “the board reads it” or “it is sent by Wi-Fi”? (a) the board reads it (b) it is sent by Wi-Fi
40. 40.🌐 A weather station sends one reading every 20 seconds. How many readings does it send in 8 minutes?

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